How are oral ulcers characterized in Behçet disease?

Updated: Dec 21, 2020
  • Author: Nicole Davey-Ranasinghe, MD; Chief Editor: Herbert S Diamond, MD  more...
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Ulcers are aphthous or herpetiform in nature and can occur in various keratinized areas of the oral cavity. They can be very painful, can last up to 3-5 weeks, and can vary in size. Large ulcers (> 10 mm in diameter) heal with scarring, as do their genital counterparts.

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